Tuesday, November 25, 2014

Out of the three, only the HU7250 has a curved screen, while both the HU8550 and the HU6950 have a flat display. The curved screen can contribute towards creating more immersive viewing experience, but in order to be able to do that the display itself has to be quite large. The HU7250 series is only available in the 65 and 55-Inch, so it's not very likely, especially in case of the latter, to have a well pronounced immersion effect but that would also depend on how far you sit from the TV. That said, the HU7250, due to its curve, has the advantage of showing less reflections from external light sources which makes it more suitable for bright environments than the HU8550 and the HU6950.

All three have a resolution of 3840 x 2160 and employ the UHD Upscaling technology, which performs signal analysis, noise reduction and detail enhancement in order for the source content, be it SD, HD or full HD, to appear in near 4K quality. The UHD dimming, which scans a number of zones across the image and carries out brightness adjustments in each one of these zones for the purpose of enhancing contrast and eliminating blooming artifacts, is also utilized by all three of them. That said, only the HU8550 is prone to blooming artifacts since it's the only one out of the three that utilizes the Precision Black dimming technology, which dims the edge-mounted LEDs corresponding to dark areas of the picture in order to achieve deeper black level. Considering there is no dimming of the LEDs taking place with the HU6950 and the HU7250, the black color won't appear as inky as it's on the HU8550.

The HU8550 and the HU7250 utilize panels with 120Hz native refresh rate, whereas the HU6950 has a 60Hz panel. The Clear Motion Rate index is 1200 CMR on the HU8550, 960 CMR on the the HU7250 and 240 CMR on the HU6950. Considering the native refresh rate is only 60Hz and the clear motion index is relatively low, the HU6950 is the least suitable for sports and action movies, while the HU8550 and the HU7250 are able to handle fast-motion content almost equally well.

The speakers on the HU7250 as well as the HU6950 are of the down-firing variety, and the audio power output each has is 20W (10W x 2). Unlike its counterparts, the HU8550 has two subwoofers (there are none on the HU7250 and the HU6950), hence the total audio power output is 40W (10W x 2 + 10W x 2), except for the 75 and the 85-Inch sizes, which have more powerful speakers. The speakers on the HU8550 are front-firing, so the sound is less distorted.

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